//#include <ESP8266WiFi.h>
#include <WiFi.h>
#include <PubSubClient.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqtt_server = "test.mosquitto.org";

Adafruit_NeoPixel pixels(16, 32, NEO_GRB + NEO_KHZ800);

WiFiClient WOKWI_client;
PubSubClient client(WOKWI_client);

void setup_wifi() {

  delay(10);
  // We start by connecting to a WiFi network   
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}


void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
   
    if (client.connect("WOKWI_client")) {
      Serial.println("connected");
     
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}


void setup() {
  pinMode(2, OUTPUT);  
  pinMode(15, OUTPUT);  
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  //client.setCallback(callback);
}


void Conectado_Wifi(){
  if (WiFi.status())
  digitalWrite(2, HIGH);
  else
  digitalWrite(2, LOW);
}

void Conectado_Mosquito(){
  if (client.connected())
  digitalWrite(15, HIGH);
  else
  digitalWrite(15, LOW);
}

void Publica_Dados(){
  int Valor_Pot;
  Valor_Pot = analogRead(34);
  client.publish("TOPICO_WOKWI_hivqs79",String(Valor_Pot).c_str());
  Serial.print("Data send: ");
  Serial.println(Valor_Pot);
  delay(1000);
}


void loop() {
    reconnect();
    Conectado_Wifi();
    Conectado_Mosquito();
    Publica_Dados();
}


// void loop() {
//   pixels.clear(); // Set all pixel colors to 'off'

//   // The first NeoPixel in a strand is #0, second is 1, all the way up
//   // to the count of pixels minus one.
//   for(int i=0; i<16; i++) { // For each pixel...

//     int value = analogRead(pot);
  
//     int DELAYVAL = map(value, 0, 4095, 500, 0);
//     Serial.println(DELAYVAL);

//     // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255
//     // Here we're using a moderately bright green color:
//     pixels.setPixelColor(i, pixels.Color(150, 0, 0));

//     pixels.show();   // Send the updated pixel colors to the hardware.

//     delay(DELAYVAL); 
//   }
// }